Nancy has a $86 entertainment budget per month. Going to a movie costs $8, eating out costs $31, and concerts are
$55 each. Can Nancy go to a movie, eat out, and go to a
concert in the same month and still stay within budget?
A. Yes, and Nancy saves $0.
B. Yes, and Nancy saves $8
C. Cannot tell.
D. No.

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.

Ineed with math stuff it involves graphs

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =